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Railway-signalling: automatic; an introductory treatment of the purposes, equipment, and methods of automatic signalling and track-circuits for steam and electric railways, for railwaymen, students, and others

by: Wilson, Francis Raynar

Publication date: 1922
Topics: Railroads -- Signaling
Publisher: London, New York [etc.] Sir I. Pitman & Sons, Ltd.
Collection: cdl; americana
Contributor: University of California Libraries
Language: English
Item Size: 371.4M

Bibliography: p. 113-114

Addeddate: 2007-01-24 17:22:48
Call number: nrlf_ucb:GLAD-17048147
Camera: 1Ds
Collection-library: nrlf_ucb
Copyright-evidence: Evidence reported by ian f-r for item railwaysignallin00wilsrich on January 24, 2007: no visible notice of copyright; stated date is 1922.
Copyright-evidence-date: 20070124172137
Copyright-evidence-operator: ian f-r
Copyright-region: US
External-identifier: urn:oclc:record:1051761001
Foldoutcount: 0
Identifier: railwaysignallin00wilsrich
Identifier-ark: ark:/13960/t5cc0w75p
Identifier-bib: GLAD-17048147
Lcamid: 318500
Lccn: 23008711
Ocr_converted: abbyy-to-hocr 1.1.37
Ocr_module_version: 0.0.21
Openlibrary_edition: OL7101102M
Openlibrary_work: OL213643W
Page_number_confidence: 86
Page_number_module_version: 1.0.3
Pages: 156
Possible copyright status: NOT_IN_COPYRIGHT
Ppi: 500
Rcamid: 319916
Scandate: 20070125054128
Scanner: rich4
Scanningcenter: rich
Worldcat (source edition): 21348583